jlink libusb-1.0 driver.
jlink modified to use the new usb abstaction layer. During the configuration process we can select if use libusb0 or libusb-1.0 library for this driver. Change-Id: I70bc9ee2f89b7597e0f64ea80cad7f1b9070f01b Signed-off-by: Mauro Gamba <maurillo71@gmail.com> Reviewed-on: http://openocd.zylin.com/236 Tested-by: jenkins Reviewed-by: Xiaofan <xiaofanc@gmail.com> Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
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@ -1056,7 +1056,7 @@ fi
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# check for usb.h when a driver will require it
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build_usb=no
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if test $build_jlink = yes -o $build_vsllink = yes -o $build_usbprog = yes -o \
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if test $build_vsllink = yes -o $build_usbprog = yes -o \
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$build_rlink = yes -o $build_ulink = yes -o $build_armjtagew = yes
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then
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build_usb=yes
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@ -1064,6 +1064,9 @@ fi
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# Check for libusb1 ported drivers.
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build_usb_ng=no
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if test $build_jlink = yes; then
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build_usb_ng=yes
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fi
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# check for libusb library if necessary
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use_libusb0=no
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@ -30,7 +30,7 @@
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#include <jtag/interface.h>
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#include <jtag/commands.h>
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#include "usb_common.h"
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#include "libusb_common.h"
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/* See Segger's public documentation:
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* Reference manual for J-Link USB Protocol
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@ -199,7 +199,7 @@ static void jlink_tap_append_scan(int length, uint8_t *buffer,
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/* Jlink lowlevel functions */
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struct jlink {
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struct usb_dev_handle* usb_handle;
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struct jtag_libusb_device_handle *usb_handle;
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};
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static struct jlink *jlink_usb_open(void);
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@ -1407,10 +1407,8 @@ static int jlink_tap_execute(void)
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static struct jlink* jlink_usb_open()
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{
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usb_init();
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struct usb_dev_handle *dev;
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if (jtag_usb_open(vids, pids, &dev) != ERROR_OK)
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struct jtag_libusb_device_handle *devh;
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if (jtag_libusb_open(vids, pids, &devh) != ERROR_OK)
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return NULL;
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/* BE ***VERY CAREFUL*** ABOUT MAKING CHANGES IN THIS
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@ -1426,7 +1424,7 @@ static struct jlink* jlink_usb_open()
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#if IS_WIN32 == 0
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usb_reset(dev);
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jtag_libusb_reset_device(devh);
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#if IS_DARWIN == 0
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@ -1434,7 +1432,7 @@ static struct jlink* jlink_usb_open()
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/* reopen jlink after usb_reset
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* on win32 this may take a second or two to re-enumerate */
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int retval;
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while ((retval = jtag_usb_open(vids, pids, &dev)) != ERROR_OK)
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while ((retval = jtag_libusb_open(vids, pids, &devh)) != ERROR_OK)
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{
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usleep(1000);
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timeout--;
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@ -1449,9 +1447,9 @@ static struct jlink* jlink_usb_open()
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#endif
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/* usb_set_configuration required under win32 */
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struct usb_device *udev = usb_device(dev);
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usb_set_configuration(dev, udev->config[0].bConfigurationValue);
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usb_claim_interface(dev, 0);
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struct jtag_libusb_device *udev = jtag_libusb_get_device(devh);
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jtag_libusb_set_configuration(devh, 0);
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jtag_libusb_claim_interface(devh, 0);
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#if 0
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/*
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@ -1460,27 +1458,17 @@ static struct jlink* jlink_usb_open()
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*/
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usb_set_altinterface(result->usb_handle, 0);
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#endif
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struct usb_interface *iface = udev->config->interface;
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struct usb_interface_descriptor *desc = iface->altsetting;
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for (int i = 0; i < desc->bNumEndpoints; i++)
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{
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uint8_t epnum = desc->endpoint[i].bEndpointAddress;
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bool is_input = epnum & 0x80;
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LOG_DEBUG("usb ep %s %02x", is_input ? "in" : "out", epnum);
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if (is_input)
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jlink_read_ep = epnum;
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else
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jlink_write_ep = epnum;
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}
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jtag_libusb_get_endpoints(udev, &jlink_read_ep, &jlink_write_ep);
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struct jlink *result = malloc(sizeof(struct jlink));
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result->usb_handle = dev;
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result->usb_handle = devh;
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return result;
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}
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static void jlink_usb_close(struct jlink *jlink)
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{
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usb_close(jlink->usb_handle);
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jtag_libusb_close(jlink->usb_handle);
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free(jlink);
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}
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@ -1548,8 +1536,8 @@ static int jlink_usb_message(struct jlink *jlink, int out_length, int in_length)
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/* calls the given usb_bulk_* function, allowing for the data to
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* trickle in with some timeouts */
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static int usb_bulk_with_retries(
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int (*f)(usb_dev_handle *, int, char *, int, int),
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usb_dev_handle *dev, int ep,
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int (*f)(jtag_libusb_device_handle *, int, char *, int, int),
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jtag_libusb_device_handle *dev, int ep,
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char *bytes, int size, int timeout)
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{
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int tries = 3, count = 0;
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@ -1565,24 +1553,24 @@ static int usb_bulk_with_retries(
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return count;
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}
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static int wrap_usb_bulk_write(usb_dev_handle *dev, int ep,
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static int wrap_usb_bulk_write(jtag_libusb_device_handle *dev, int ep,
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char *buff, int size, int timeout)
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{
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/* usb_bulk_write() takes const char *buff */
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return usb_bulk_write(dev, ep, buff, size, timeout);
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return jtag_libusb_bulk_write(dev, ep, buff, size, timeout);
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}
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static inline int usb_bulk_write_ex(usb_dev_handle *dev, int ep,
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static inline int usb_bulk_write_ex(jtag_libusb_device_handle *dev, int ep,
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char *bytes, int size, int timeout)
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{
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return usb_bulk_with_retries(&wrap_usb_bulk_write,
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dev, ep, bytes, size, timeout);
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}
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static inline int usb_bulk_read_ex(usb_dev_handle *dev, int ep,
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static inline int usb_bulk_read_ex(jtag_libusb_device_handle *dev, int ep,
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char *bytes, int size, int timeout)
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{
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return usb_bulk_with_retries(&usb_bulk_read,
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return usb_bulk_with_retries(&jtag_libusb_bulk_read,
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dev, ep, bytes, size, timeout);
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}
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